[Elecraft] K3 - Steppir interfacing

[Dr. William J. Schmidt]

Actually, the preferred method is to use a regular "Y" cable and a cable for the SteppIR's "S26" cable schematic intended specifically for the K3.  It can be found in the Steppir groups.IO file section, or I can send it to you.


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-----Original Message-----
From: elecraft-bounces at mailman.qth.net [mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Joe Subich, W4TV
Sent: Wednesday, August 14, 2019 9:44 PM
To: elecraft at mailman.qth.net; rayalbers at gmail.com
Subject: Re: [Elecraft] K3 - Steppir interfacing


> I made up a Y cable to interconnect K3, SteppIR controller and 
> computer. Lots of Googling told me that the connections to SteppIR 
> controller should be only DTR and Gnd, so I made sure that was how it 
> was wired.
Your Google "sources" are nonsense.  The direct version of this e-mail includes the schematic for the *STEPPIR* Y cable.


73,

    ... Joe, W4TV


On 2019-08-14 8:47 PM, Ray Albers wrote:
> So a couple of days ago I posted tale of woe, trying to get my newly 
> acquired K3 to work with MixW - well, thanks to a few off line e-mails 
> and some stumbling around, I got that working. Ditto, got N1MM+ working great.
> 
> Next - how to get the K3 to play with my SteppIR vertical antenna 
> controller. Worked fine with my ICOM 746PRO, where I had both MixW and 
> SteppIR autotracking working fine with the radio.
> 
> So:  My computer is a Windows XP thing that I bought specifically 
> because it has an actual RS232 (9 pin) serial interface, so no need to 
> struggle with a serial to USB adapter.  I made up a Y cable to 
> interconnect K3, SteppIR controller and computer. Lots of Googling 
> told me that the connections to SteppIR controller should be only DTR 
> and Gnd, so I made sure that was how it was wired. Other posts point 
> out that the CONFIG AutoInf should be set to Auto1 (one post said it 
> should be set to Norm, so I tried it both ways). I even tried setting 
> K3, SteppIR and computer to a slower data rate (9600) in case the 38k 
> rate was too fast. No joy. Did the obvious newbie stuff like turning 
> things on and off, plugging and unplugging cables - still NG.
> 
> As I said, my logging program and N1MM are working just fine (one at a 
> time, of course), and I could live without having the SteppIR do 
> autotracking as I change bands/frequencies, but dagnabbit!!! it's the 
> principle of the thing!  I ought to be able to have everything working.
> 
> Any suggestions would be appreciated.
> 
> 73
> Ray K2HYD



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